Apparatus

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sensors Mode-S transponder

899117

ICAO 24-bit transponder address · allocated to Taiwan

Currently assigned to B-18118 · AIRBUS A-321neo

Hex
899117
Octal
42310427
Decimal
9,015,575
Country
TW
Tail
B-18118
Type
A21N
No current signal · last broadcast Jul 26, 12:00 UTC
Flights observed
412
Distinct callsigns
20
Country
TW
Last broadcast
Jul 26, 12:00 UTC

Last known position

Most recent position reported by Mode-S 899117.

Country allocation

The ICAO 24-bit address 899117 falls within the block assigned to Taiwan (TW) by ICAO Annex 10, Volume III. Every aircraft registered in Taiwan receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
CAL188 China Airlines 19 2026-07-23
CAL129 China Airlines 18 2026-07-23
CAL107 - 18 2026-07-10
CAL189 China Airlines 17 2026-07-23
CAL851 China Airlines 16 2026-07-24
CAL106 - 15 2026-07-09
CAL852 China Airlines 14 2026-07-25
CAL128 China Airlines 13 2026-07-23
CAL122 China Airlines 9 2026-07-24
CAL112 China Airlines 9 2026-07-07
CAL838 China Airlines 8 2026-07-19
CAL601 - 8 2026-07-21
CAL837 - 7 2026-07-19
CAL731 China Airlines 7 2026-07-26
CAL113 - 7 2026-07-08
CAL793 - 6 2026-07-10
CAL756 China Airlines 6 2026-07-25
CAL755 China Airlines 6 2026-07-25
CAL705 - 6 2026-07-09
CAL602 China Airlines 6 2026-07-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CAL732 PEN → TPE Jul 26, 10:50 UTCJul 26, 12:00 UTC1h 10m
2026-07-26 CAL731 TPE → PEN Jul 26, 05:55 UTCJul 26, 06:10 UTC15m
2026-07-26 CAL731 TPE → PEN Jul 26, 01:55 UTCJul 26, 03:05 UTC1h 10m
2026-07-25 CAL756 SIN → TPE Jul 25, 21:30 UTCJul 25, 22:50 UTC1h 20m
2026-07-25 CAL755 TPE → SIN Jul 25, 16:00 UTCJul 25, 16:25 UTC25m
2026-07-25 CAL755 TPE → SIN Jul 25, 12:15 UTCJul 25, 13:20 UTC1h 5m
2026-07-25 CAL852 CNX → TPE Jul 25, 05:15 UTCJul 25, 08:45 UTC3h 30m
2026-07-24 CAL851 TPE → CNX Jul 24, 23:55 UTCJul 25, 03:55 UTC4h 0m
2026-07-24 CAL123 OKA → TPE Jul 24, 13:10 UTCJul 24, 13:45 UTC35m
2026-07-24 CAL122 TPE → OKA Jul 24, 10:25 UTCJul 24, 10:35 UTC10m
2026-07-24 CAL122 TPE → OKA Jul 24, 09:30 UTCJul 24, 09:50 UTC20m
2026-07-24 CAL852 CNX → TPE Jul 24, 04:40 UTCJul 24, 08:00 UTC3h 20m
2026-07-24 CAL851 TPE → CNX Jul 24, 03:00 UTCJul 24, 03:15 UTC15m
2026-07-24 CAL851 TPE → CNX Jul 24, 00:00 UTCJul 24, 01:15 UTC1h 15m
2026-07-23 CAL129 FUK → TPE Jul 23, 12:15 UTCJul 23, 12:35 UTC20m
2026-07-23 CAL129 FUK → TPE Jul 23, 10:45 UTCJul 23, 11:05 UTC20m
2026-07-23 CAL128 TPE → FUK Jul 23, 07:35 UTCJul 23, 09:10 UTC1h 35m
2026-07-23 CAL189 PUS → TPE Jul 23, 04:00 UTCJul 23, 06:00 UTC2h 0m
2026-07-23 CAL188 TPE → PUS Jul 23, 01:35 UTCJul 23, 01:55 UTC20m
2026-07-23 CAL188 TPE → PUS Jul 23, 00:05 UTCJul 23, 00:30 UTC25m
2026-07-22 CAL794 - Jul 22, 11:10 UTCJul 22, 13:40 UTC2h 30m
2026-07-22 CAL602 HKG → TPE Jul 22, 02:35 UTCJul 22, 04:05 UTC1h 30m
2026-07-21 CAL601 TPE → HKG Jul 21, 23:40 UTCJul 22, 01:00 UTC1h 20m
2026-07-21 CAL789 TPE → DAD Jul 21, 07:20 UTCJul 21, 13:25 UTC6h 5m
2026-07-21 CAL189 PUS → TPE Jul 21, 05:35 UTCJul 21, 05:50 UTC15m
2026-07-21 CAL189 PUS → TPE Jul 21, 04:00 UTCJul 21, 04:20 UTC20m
2026-07-21 CAL188 TPE → PUS Jul 21, 01:35 UTCJul 21, 01:55 UTC20m
2026-07-21 CAL188 TPE → PUS Jul 21, 00:05 UTCJul 21, 00:20 UTC15m
2026-07-20 CAL029 ROR → TPE Jul 20, 07:15 UTCJul 20, 10:40 UTC3h 25m
2026-07-20 CAL030 TPE → ROR Jul 20, 02:15 UTCJul 20, 05:55 UTC3h 40m
2026-07-19 CAL838 BKK → TPE Jul 19, 22:20 UTCJul 19, 23:25 UTC1h 5m
2026-07-19 CAL838 BKK → TPE Jul 19, 20:10 UTCJul 19, 20:25 UTC15m
2026-07-19 CAL837 - Jul 19, 17:35 UTCJul 19, 18:05 UTC30m
2026-07-19 CAL837 - Jul 19, 14:45 UTCJul 19, 15:40 UTC55m
2026-07-19 CAL731 TPE → PEN Jul 19, 01:55 UTCJul 19, 11:55 UTC10h 0m
2026-07-18 CAL179 - Jul 18, 12:10 UTCJul 18, 12:30 UTC20m
2026-07-18 CAL179 - Jul 18, 10:20 UTCJul 18, 11:05 UTC45m
2026-07-18 CAL178 - Jul 18, 06:45 UTCJul 18, 09:00 UTC2h 15m
2026-07-18 CAL702 MNL → TPE Jul 18, 03:20 UTCJul 18, 05:15 UTC1h 55m
2026-07-17 CAL701 - Jul 17, 23:55 UTCJul 18, 01:45 UTC1h 50m
2026-07-17 CAL195 KMJ → TPE Jul 17, 11:39 UTCJul 17, 12:00 UTC20m
2026-07-17 CAL195 KMJ → TPE Jul 17, 10:15 UTCJul 17, 10:25 UTC10m
2026-07-17 CAL194 TPE → KMJ Jul 17, 07:00 UTCJul 17, 07:50 UTC50m
2026-07-17 MDA992 TPE → TPE Jul 17, 01:09 UTCJul 17, 05:10 UTC4h 0m
2026-07-16 CAL838 - Jul 16, 22:35 UTCJul 16, 23:40 UTC1h 5m
2026-07-16 CAL838 - Jul 16, 20:25 UTCJul 16, 20:35 UTC10m
2026-07-16 CAL837 - Jul 16, 18:15 UTCJul 16, 18:29 UTC15m
2026-07-16 CAL837 - Jul 16, 15:14 UTCJul 16, 16:05 UTC50m
2026-07-16 CAL123 - Jul 16, 13:00 UTCJul 16, 13:20 UTC20m
2026-07-16 CAL122 - Jul 16, 10:35 UTCJul 16, 10:45 UTC10m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the B-18118 page for operator, model, and routing details .

Mode-S 899117 frequently asked

What is Mode-S code 899117?
899117 is an ICAO 24-bit transponder address. Allocated to Taiwan. Assigned to B-18118.
Where is Mode-S 899117 registered?
Mode-S code 899117 is allocated to Taiwan (TW). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 899117 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 12:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 899117, octal 42310427, decimal 9,015,575.
What flights does 899117 operate?
Mode-S 899117 has broadcast 20 distinct callsigns, including CAL188, CAL129, CAL107, CAL189, CAL851.